Torpedo



Jan. 12, 1937. y A, BRANDT 2,067,824

TORPEDO Filed March 16, 1935 Patented Jan. 12, 1937 UNITED STATES PATENT, OFFICE Application March 16, 1935, Serial No. 11,521 In Germany September 13, 1933 4 Claims.

The invention relates to torpedoes of any shape which produce explosive effects and cowscating lighting effects if the body is ignited. It is a molded body for instance in the form of a bar, a rod, a plate, a pyramid, or any other geometrical form. The mass of the torpedo is non-poisonous.

The new torpedo body consists of a binding material and flux admixed with a pyrotechnical mixture including a carbon bearer, an oxygen bearer and a light metal alloy. The pyrotechnical mixture may consist of shellac, saltpetre, potassium chlorate or perchlorate and aluminum, magnesium, alloy. The binding material may be i dextrine.

The flux materials are according to the invention such substances as efiect a sintered ash, preferably fluorine compounds, fluorine salts or mixtures thereof. Alkali fluorides, fluorides of light metals as aluminum and zinc, fluorides of .heavy metals as iron, copper and the like, also fluorides of alkaline earth metals are useful for the purpose. Compound fluorides such as silicic fluorides, boric fluorides and the like are also of utility and may be applied alone or admixed with the simple fluorides.

Advantageously. double salts of hydrofluoric acid may be used as flux or sintering or scorifying addition. Alkali or aluminum or combina- |0 tions thereof may serve as the metallic element of the fluoride.

A preferred flux or flux ingredient is the material known as cryolite.

An illustrative moldable mixture serviceable 35 for the purpose is:

Parts Cryolite 40 Shellac 40 Saltpetre 40 Dextrine 12 Potassium chlorate or potassium perchlorate- 180 Aluminum-magnesium-alloy'.---..----..---- 1'10 K 4. The torpedo claimed in claim 3 in The aluminum magnesium alloy consists preferably of 50 parts of magnesium and 50 parts of aluminum.

The topedoes may be provided with a pyrophoric mass ignited by friction. 5 In the accompanying drawing is shown illustrative examples of the new torpedoes.

Fig. 1 is a perspective view of a rod shaped torpedo. m Fig. 2 is a plan view of a plate shaped torpedo,

and

Fig. 3 is a perspective view of a pyramidal torpedo.

In'each of the flgures of the drawing l is the 16 body which is molded from a pyrotechnical mixture containing a binder and a flux as described above, and 2 are pyrophoric heads ignitable by friction.

What I claim is:

1. A molded pyrotechnic device of non-poisonous character including a pyrotechnical mixture of an alloy of metallic aluminum and magnesium, a carbon bearing material and an oxygen releasing material together with a flux and a binder.

2. The combination recited in claim 1 in which the flux is an alkaline fluoride.

3. A molded torpedo consisting of approxlmately 40 parts of cryolite, 40 parts of shellac, 15 parts of saltpetre, 12 parts of dextrine, 180 parts of potassium chlorate and 1'70 additional parts of aluminum-magnesium-alloy.

which the alloy ingredient is of substantially equal parts of aluminum and magnesium.

AUGUST BRANDT. 

